Now that the queue is flag as having an actual profile or not, avoid
calling into the integrity code unless we have one. This removes some
overhead from blk_mq_submit_bio() if BLK_DEV_INTEGRITY is enabled and
we don't have any profiles attached, which is the default and expected
case.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
block/blk-mq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 37268656aae9..965e42a1bbde 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2961,7 +2961,8 @@ bool blk_mq_submit_bio(struct bio *bio)
bio_set_ioprio(bio);
- if (!bio_integrity_prep(bio))
+ if (test_bit(QUEUE_FLAG_INTG_PROFILE, &q->queue_flags) &&
+ !bio_integrity_prep(bio))
return false;
if (plug) {
--
2.43.0
